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index 7cc2f66dbffc50363b0c04986a02c4ca66c99360..1342a5b58fca93508d93f00571753be9b7e3d5db 100644 (file)
--- a/src/core/store-private.h
+++ b/src/core/store-private.h
#define SDB_CORE_STORE_PRIVATE_H 1
#include "core/store.h"
+#include "utils/avltree.h"
#include <sys/types.h>
#include <regex.h>
extern "C" {
#endif
-struct sdb_store_base {
+/*
+ * core types
+ */
+
+struct sdb_store_obj {
sdb_object_t super;
/* object type */
/* common meta information */
sdb_time_t last_update;
sdb_time_t interval; /* moving average */
- sdb_store_base_t *parent;
+ char **backends;
+ size_t backends_num;
+ sdb_store_obj_t *parent;
};
-#define STORE_BASE(obj) ((sdb_store_base_t *)(obj))
-#define STORE_CONST_BASE(obj) ((const sdb_store_base_t *)(obj))
+#define STORE_OBJ(obj) ((sdb_store_obj_t *)(obj))
+#define STORE_CONST_OBJ(obj) ((const sdb_store_obj_t *)(obj))
typedef struct {
- sdb_store_base_t super;
+ sdb_store_obj_t super;
sdb_data_t value;
} sdb_attribute_t;
-#define SDB_ATTR(obj) ((sdb_attribute_t *)(obj))
-#define SDB_CONST_ATTR(obj) ((const sdb_attribute_t *)(obj))
+#define ATTR(obj) ((sdb_attribute_t *)(obj))
+#define CONST_ATTR(obj) ((const sdb_attribute_t *)(obj))
+
+typedef struct {
+ sdb_store_obj_t super;
+
+ sdb_avltree_t *attributes;
+} sdb_service_t;
+#define SVC(obj) ((sdb_service_t *)(obj))
+#define CONST_SVC(obj) ((const sdb_service_t *)(obj))
typedef struct {
- sdb_store_base_t super;
+ sdb_store_obj_t super;
- sdb_llist_t *children;
- sdb_llist_t *attributes;
-} sdb_store_obj_t;
-#define SDB_STORE_OBJ(obj) ((sdb_store_obj_t *)(obj))
-#define SDB_CONST_STORE_OBJ(obj) ((const sdb_store_obj_t *)(obj))
+ sdb_avltree_t *attributes;
+ struct {
+ char *type;
+ char *id;
+ } store;
+} sdb_metric_t;
+#define METRIC(obj) ((sdb_metric_t *)(obj))
+
+typedef struct {
+ sdb_store_obj_t super;
-/* shortcuts for accessing the sdb_store_obj_t attributes
- * of inheriting objects */
+ sdb_avltree_t *services;
+ sdb_avltree_t *metrics;
+ sdb_avltree_t *attributes;
+} sdb_host_t;
+#define HOST(obj) ((sdb_host_t *)(obj))
+#define CONST_HOST(obj) ((const sdb_host_t *)(obj))
+
+/* shortcuts for accessing service/host attributes */
#define _last_update super.last_update
#define _interval super.interval
/*
- * conditionals
+ * querying
*/
-/* compares a store object using the specified conditional */
-typedef int (*cmp_cb)(sdb_store_base_t *, sdb_store_cond_t *);
-
-struct sdb_store_cond {
+struct sdb_store_query {
sdb_object_t super;
- cmp_cb cmp;
+ sdb_ast_node_t *ast;
+ sdb_store_matcher_t *matcher;
+ sdb_store_matcher_t *filter;
};
+#define QUERY(m) ((sdb_store_query_t *)(m))
-typedef struct {
- sdb_store_cond_t super;
- char *name;
- sdb_data_t value;
-} attr_cond_t;
-#define ATTR_C(obj) ((attr_cond_t *)(obj))
+/*
+ * expressions
+ */
+
+enum {
+ TYPED_EXPR = -3, /* obj type stored in data.data.integer */
+ ATTR_VALUE = -2, /* attr name stored in data.data.string */
+ FIELD_VALUE = -1, /* field type stored in data.data.integer */
+ /* 0: const value (stored in data) */
+ /* >0: operator id */
+};
+
+struct sdb_store_expr {
+ sdb_object_t super;
+
+ int type; /* see above */
+ int data_type;
+
+ sdb_store_expr_t *left;
+ sdb_store_expr_t *right;
+
+ sdb_data_t data;
+};
+#define CONST_EXPR(v) { SDB_OBJECT_INIT, 0, (v).type, NULL, NULL, (v) }
+#define EXPR_TO_STRING(e) \
+ (((e)->type == TYPED_EXPR) ? "<typed>" \
+ : ((e)->type == ATTR_VALUE) ? "attribute" \
+ : ((e)->type == FIELD_VALUE) ? SDB_FIELD_TO_NAME((e)->data.data.integer) \
+ : ((e)->type == 0) ? "<constant>" \
+ : ((e)->type > 0) ? SDB_DATA_OP_TO_STRING((e)->type) \
+ : "<unknown>")
/*
* matchers
*/
-/* when adding to this, also update 'matchers' and 'matchers_tostring'
- * in store_lookup.c */
+/* when adding to this, also update 'MATCHER_SYM' below and 'matchers' in
+ * store_lookup.c */
enum {
MATCHER_OR,
MATCHER_AND,
MATCHER_NOT,
- MATCHER_NAME,
- MATCHER_ATTR,
+ MATCHER_ANY,
+ MATCHER_ALL,
+ MATCHER_IN,
+ MATCHER_NIN,
+
+ /* unary operators */
+ MATCHER_ISNULL,
+
+ /* ary operators */
MATCHER_LT,
MATCHER_LE,
MATCHER_EQ,
+ MATCHER_NE,
MATCHER_GE,
MATCHER_GT,
+ MATCHER_REGEX,
+ MATCHER_NREGEX,
+
+ /* a generic query */
+ MATCHER_QUERY,
};
#define MATCHER_SYM(t) \
(((t) == MATCHER_OR) ? "OR" \
: ((t) == MATCHER_AND) ? "AND" \
: ((t) == MATCHER_NOT) ? "NOT" \
- : ((t) == MATCHER_NAME) ? "NAME" \
- : ((t) == MATCHER_ATTR) ? "ATTR" \
+ : ((t) == MATCHER_ANY) ? "ANY" \
+ : ((t) == MATCHER_ALL) ? "ALL" \
+ : ((t) == MATCHER_IN) ? "IN" \
+ : ((t) == MATCHER_NIN) ? "NOT IN" \
+ : ((t) == MATCHER_ISNULL) ? "IS NULL" \
: ((t) == MATCHER_LT) ? "<" \
: ((t) == MATCHER_LE) ? "<=" \
: ((t) == MATCHER_EQ) ? "=" \
+ : ((t) == MATCHER_NE) ? "!=" \
: ((t) == MATCHER_GE) ? ">=" \
: ((t) == MATCHER_GT) ? ">" \
+ : ((t) == MATCHER_REGEX) ? "=~" \
+ : ((t) == MATCHER_NREGEX) ? "!~" \
+ : ((t) == MATCHER_QUERY) ? "QUERY" \
: "UNKNOWN")
-/* match the name of something */
-typedef struct {
- char *name;
- regex_t *name_re;
-} string_matcher_t;
-
/* matcher base type */
struct sdb_store_matcher {
sdb_object_t super;
} uop_matcher_t;
#define UOP_M(m) ((uop_matcher_t *)(m))
-/* match any type of object by it's name */
+/* iter matcher */
typedef struct {
sdb_store_matcher_t super;
+ sdb_store_expr_t *iter;
+ sdb_store_matcher_t *m;
+} iter_matcher_t;
+#define ITER_M(m) ((iter_matcher_t *)(m))
- int obj_type;
- string_matcher_t name;
-} name_matcher_t;
-#define NAME_M(m) ((name_matcher_t *)(m))
-
-/* match attributes */
+/* compare operator matcher */
typedef struct {
sdb_store_matcher_t super;
- char *name;
- string_matcher_t value;
-} attr_matcher_t;
-#define ATTR_M(m) ((attr_matcher_t *)(m))
-/* match using conditionals */
+ /* left and right hand expressions */
+ sdb_store_expr_t *left;
+ sdb_store_expr_t *right;
+} cmp_matcher_t;
+#define CMP_M(m) ((cmp_matcher_t *)(m))
+
typedef struct {
sdb_store_matcher_t super;
- sdb_store_cond_t *cond;
-} cond_matcher_t;
-#define COND_M(m) ((cond_matcher_t *)(m))
+ sdb_store_expr_t *expr;
+} isnull_matcher_t;
+#define ISNULL_M(m) ((isnull_matcher_t *)(m))
#ifdef __cplusplus
} /* extern "C" */